US Bridges

County Highway over Branch of Maple River

Fair

Ransom County, North Dakota · 1 West 1 South Enderlin · Structure no. 000000037120020

Built
1968
57 years old
Condition
Fair
inspected July 2023
Type
Slab
Wood or Timber
Length
25 ft
1 main span
Daily traffic
24
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over Branch of Maple River is a wood or timber slab carrying County Highway over Branch of Maple River in Ransom County, North Dakota. It was built in 1968, so it is 57 years old, older than the North Dakota average of 48.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 24 vehicles a day, projected to reach 24 by 2038. The structure is 25 ft (7.6 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesBranch of Maple River
Location1 West 1 South Enderlin
RouteCounty Highway 0
CountyRansom County
StateNorth Dakota
Coordinates46.60563, -97.61593
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating34.2 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width26 ft (7.8 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2018)
Projected traffic24 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$24,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Branch of Maple River built?

It was built in 1968, making it 57 years old in 2025.

What condition is County Highway over Branch of Maple River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does County Highway over Branch of Maple River carry?

About 24 vehicles per day (2018 count).

How long is County Highway over Branch of Maple River?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 26 ft wide.

Who owns County Highway over Branch of Maple River?

It is owned by the County Highway Agency.